| VOLUME 19. |
R.M.C.P. Rajapaksha and R.A.S.W. Ranasinghe |
| A.P. Heenkende and V.R. Ramakrishna Parama |
Simplified Rapid Test Methods for Assessing Available N, P and K Levels in Soil N.R.N. Silva, M.A. Lathiff and S. Maraikar |
|
P. Weerasinghe, N.H.R. Premalal and S.N.K. Saranasinghe |
| W.M.J. Bandara |